use of org.beetl.core.statement.VarAttribute in project beetl2.0 by javamonkey.
the class AntlrProgramBuilder method parseVarRefInLeftExpression.
protected VarRef parseVarRefInLeftExpression(VarRefContext varRef) {
Expression safeExp = null;
Safe_outputContext soctx = varRef.safe_output();
if (soctx != null) {
throw new BeetlException(BeetlException.ERROR, "语法错,赋值表达式不能使用安全输出");
}
List<VarAttributeContext> list = varRef.varAttribute();
VarAttribute[] vas = this.parseVarAttribute(list);
// 变量属性,用来收集,暂时未用上
if (vas.length > 0) {
VarAttribute first = vas[0];
if (!(first instanceof VarSquareAttribute || first instanceof VarVirtualAttribute)) {
pbCtx.setVarAttr(varRef.Identifier().getText(), first.token.text);
}
}
VarRef var = new VarRef(vas, false, null, this.getBTToken(varRef.getText(), varRef.Identifier().getSymbol().getLine()), this.getBTToken(varRef.Identifier().getSymbol()));
pbCtx.setVarPosition(varRef.Identifier().getText(), var);
return var;
}
use of org.beetl.core.statement.VarAttribute in project beetl2.0 by javamonkey.
the class AntlrProgramBuilder method parseFunExp.
protected FunctionExpression parseFunExp(FunctionCallContext ctx) {
ExpressionListContext expListCtx = ctx.expressionList();
Expression[] exps = this.getExprssionList(expListCtx);
List<VarAttributeContext> vaListCtx = ctx.varAttribute();
Safe_outputContext soctx = ctx.safe_output();
Expression safeExp = null;
boolean hasSafe = false;
if (soctx != null) {
safeExp = this.parseSafeOutput(soctx);
hasSafe = true;
}
if (this.pbCtx.isSafeOutput) {
hasSafe = true;
}
VarAttribute[] vs = this.parseVarAttribute(vaListCtx);
List<TerminalNode> idList = ctx.functionNs().Identifier();
String nsId = this.getID(idList);
GrammarToken btToken = new org.beetl.core.statement.GrammarToken(nsId, ctx.start.getLine(), 0);
// 需要做些特殊处理的函数
if (safeParameters.contains(nsId)) {
if (exps.length != 0) {
Expression one = exps[0];
if (one instanceof VarRef) {
// 强制为变量引用增加一个安全输出
VarRef ref = (VarRef) one;
if (!ref.hasSafe) {
ref.hasSafe = true;
ref.safe = null;
}
}
}
} else if (nsId.equals("has")) {
if (exps.length != 0) {
Expression one = exps[0];
if (one instanceof VarRef) {
// 强制为变量引用增加一个安全输出
VarRef ref = (VarRef) one;
String name = ref.token.text;
Literal newExp = new Literal(name, ref.token);
// 将变量引用转化为字符串
exps[0] = newExp;
}
}
} else if (nsId.equals("debug")) {
// debug函数传递额外的行数
Literal l = new Literal(btToken.line, btToken);
Expression[] newExps = new Expression[exps.length + 2];
System.arraycopy(exps, 0, newExps, 0, exps.length);
String[] expStr = this.getExpressionString(expListCtx);
newExps[newExps.length - 2] = new Literal(expStr, btToken);
newExps[newExps.length - 1] = l;
for (int i = 0; i < exps.length; i++) {
if (!(exps[i] instanceof VarRef)) {
expStr[i] = null;
}
}
exps = newExps;
// 可以通过配置查看是否支持debug,2.1再做
} else if (nsId.equals("decode")) {
Expression[] newExps = new Expression[exps.length];
if (newExps.length >= 4) {
newExps[0] = exps[0];
newExps[1] = exps[1];
for (int i = 2; i < exps.length; i++) {
// 参数改成runtime 执行
newExps[i] = new ExpressionRuntime(exps[i]);
}
exps = newExps;
} else {
// 错误的使用了decode函数,不管了,等后面报错吧
}
}
FunctionExpression fe = new FunctionExpression(nsId, exps, vs, hasSafe, safeExp, btToken);
return fe;
}
use of org.beetl.core.statement.VarAttribute in project beetl2.0 by javamonkey.
the class AntlrProgramBuilder method parseVarRefExpression.
protected Expression parseVarRefExpression(VarRefContext varRef) {
Expression safeExp = null;
Safe_outputContext soctx = varRef.safe_output();
boolean hasSafe = false;
if (soctx != null) {
safeExp = this.parseSafeOutput(soctx);
hasSafe = true;
}
if (this.pbCtx.isSafeOutput) {
hasSafe = true;
}
List<VarAttributeContext> list = varRef.varAttribute();
VarAttribute[] vas = this.parseVarAttribute(list);
if (vas.length > 0) {
VarAttribute first = vas[0];
if (!(first instanceof VarSquareAttribute || first instanceof VarVirtualAttribute)) {
pbCtx.setVarAttr(varRef.Identifier().getText(), first.token.text);
}
}
VarRef var = new VarRef(vas, hasSafe, safeExp, this.getBTToken(varRef.getText(), varRef.Identifier().getSymbol().getLine()), this.getBTToken(varRef.Identifier().getSymbol()));
pbCtx.setVarPosition(varRef.Identifier().getText(), var);
return var;
}
use of org.beetl.core.statement.VarAttribute in project beetl2.0 by javamonkey.
the class VarAttributeNodeListener method onEvent.
@Override
public Object onEvent(Event e) {
Stack stack = (Stack) e.getEventTaget();
Object o = stack.peek();
if (o instanceof VarRef) {
VarRef ref = (VarRef) o;
VarAttribute[] attrs = ref.attributes;
for (int i = 0; i < attrs.length; i++) {
GroupTemplate gt = (GroupTemplate) ((Map) stack.get(0)).get("groupTemplate");
VarAttribute attr = attrs[i];
if (attr.getClass() == VarAttribute.class) {
Type type = attr.type;
String name = attr.token != null ? attr.token.text : null;
// 换成速度较快的属性访问类
try {
AttributeAccess aa = gt.getAttributeAccessFactory().buildFiledAccessor(type.cls, name, gt);
attr.aa = aa;
} catch (BeetlException ex) {
ex.pushToken(attr.token);
throw ex;
}
} else if (attr.getClass() == VarSquareAttribute.class) {
Type type = attr.type;
Class c = type.cls;
if (Map.class.isAssignableFrom(c)) {
attr.setAA(gt.getAttributeAccessFactory().getMapAA());
} else if (List.class.isAssignableFrom(c) || Set.class.isAssignableFrom(c)) {
attr.setAA(gt.getAttributeAccessFactory().getListAA());
} else if (c.isArray()) {
attr.setAA(gt.getAttributeAccessFactory().getArrayAA());
} else {
Expression exp = ((VarSquareAttribute) attr).exp;
if (exp instanceof Literal) {
Literal literal = (Literal) exp;
if (literal.obj instanceof String) {
try {
String attributeName = (String) literal.obj;
AttributeAccess aa = gt.getAttributeAccessFactory().buildFiledAccessor(c, attributeName, gt);
ref.attributes[i] = new VarSquareAttribute2((VarSquareAttribute) attrs[i], attributeName, aa);
} catch (BeetlException ex) {
ex.pushToken(attr.token);
throw ex;
}
}
}
}
} else if (attr.getClass() == VarVirtualAttribute.class) {
// 对虚拟属性~size做优化
if (attr.token.text.equals("size")) {
// 优化
Class c = attr.type.cls;
if (Map.class.isAssignableFrom(c)) {
ref.attributes[i] = new MapSizeVirtualAttribute((VarVirtualAttribute) attr);
} else if (Collection.class.isAssignableFrom(c)) {
ref.attributes[i] = new CollectionSizeVirtualAttribute((VarVirtualAttribute) attr);
} else if (c.isArray()) {
ref.attributes[i] = new ArraySizeVirtualAttribute((VarVirtualAttribute) attr);
}
}
}
}
}
return null;
}
use of org.beetl.core.statement.VarAttribute in project beetl2.0 by javamonkey.
the class AntlrProgramBuilder method parseVarAttribute.
protected VarAttribute[] parseVarAttribute(List<VarAttributeContext> list) {
List<VarAttribute> listVarAttr = new ArrayList<VarAttribute>();
for (VarAttributeContext vac : list) {
if (vac instanceof VarAttributeGeneralContext) {
VarAttributeGeneralContext zf = (VarAttributeGeneralContext) vac;
VarAttribute attr = new VarAttribute(this.getBTToken(zf.Identifier().getSymbol()));
listVarAttr.add(attr);
attr.setAA(ObjectAA.defaultObjectAA());
} else if (vac instanceof VarAttributeArrayOrMapContext) {
VarAttributeArrayOrMapContext zf = (VarAttributeArrayOrMapContext) vac;
Expression exp = this.parseExpress(zf.expression());
VarSquareAttribute attr = new VarSquareAttribute(exp, this.getBTToken("[]", exp.token.line));
attr.setAA(ObjectAA.defaultObjectAA());
listVarAttr.add(attr);
} else if (vac instanceof VarAttributeVirtualContext) {
VarAttributeVirtualContext zf = (VarAttributeVirtualContext) vac;
VarVirtualAttribute attr = new VarVirtualAttribute(this.getBTToken(zf.Identifier().getSymbol()));
listVarAttr.add(attr);
}
}
return listVarAttr.toArray(new VarAttribute[0]);
}
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